PapaTutuWawa/gpu-screen-recorder
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Use better name for quality options to clearify that medium is actually very high quality, because people dont understand that

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This commit is contained in:
dec05eba 2022-09-29 17:34:32 +02:00
parent 1db2282683
commit 6e407b0b62
2 changed files with 14 additions and 30 deletions
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4
include/NvFBCLibrary.hpp
View File

@ -29,7 +29,7 @@ public:
return true;
dlerror(); // clear
void *lib = dlopen("libnvidia-fbc.so.1", RTLD_NOW);
void *lib = dlopen("libnvidia-fbc.so.1", RTLD_LAZY);
if(!lib) {
fprintf(stderr, "Error: failed to load libnvidia-fbc.so.1, error: %s\n", dlerror());
return false;
@ -241,4 +241,4 @@ private:
NVFBC_API_FUNCTION_LIST nv_fbc_function_list;
NVFBC_SESSION_HANDLE nv_fbc_handle;
bool fbc_handle_created = false;
};
};

40
src/main.cpp
View File

@ -97,8 +97,7 @@ struct WindowPixmap {
};
enum class VideoQuality {
MEDIUM,
HIGH,
VERY_HIGH,
ULTRA
};
@ -628,10 +627,10 @@ static AVCodecContext *create_video_codec_context(AVFormatContext *av_format_con
codec_context->max_b_frames = 0;
codec_context->pix_fmt = AV_PIX_FMT_CUDA;
codec_context->color_range = AVCOL_RANGE_JPEG;
if(use_hevc)
codec_context->codec_tag = MKTAG('h', 'v', 'c', '1');
//if(use_hevc)
// codec_context->codec_tag = MKTAG('h', 'v', 'c', '1');
switch(video_quality) {
case VideoQuality::MEDIUM:
case VideoQuality::VERY_HIGH:
codec_context->bit_rate = 10000000 + (codec_context->width * codec_context->height) / 2;
if(use_hevc) {
codec_context->qmin = 20;
@ -645,7 +644,7 @@ static AVCodecContext *create_video_codec_context(AVFormatContext *av_format_con
//codec_context->profile = FF_PROFILE_H264_HIGH;
//av_opt_set(codec_context->priv_data, "preset", "p4", 0);
break;
case VideoQuality::HIGH:
case VideoQuality::ULTRA:
if(use_hevc) {
codec_context->qmin = 17;
codec_context->qmax = 30;
@ -658,20 +657,6 @@ static AVCodecContext *create_video_codec_context(AVFormatContext *av_format_con
//codec_context->profile = FF_PROFILE_H264_HIGH;
//av_opt_set(codec_context->priv_data, "preset", "p5", 0);
break;
case VideoQuality::ULTRA:
codec_context->bit_rate = 15000000 + (codec_context->width * codec_context->height) / 2;
if(use_hevc) {
codec_context->qmin = 16;
codec_context->qmax = 25;
} else {
codec_context->qmin = 3;
codec_context->qmax = 13;
}
//av_opt_set(codec_context->priv_data, "preset", "veryslow", 0);
//av_opt_set(codec_context->priv_data, "profile", "high", 0);
//codec_context->profile = FF_PROFILE_H264_HIGH;
//av_opt_set(codec_context->priv_data, "preset", "p7", 0);
break;
}
if (codec_context->codec_id == AV_CODEC_ID_MPEG1VIDEO)
codec_context->mb_decision = 2;
@ -835,7 +820,7 @@ static void usage() {
fprintf(stderr, " -c Container format for output file, for example mp4, or flv.\n");
fprintf(stderr, " -f Framerate to record at.\n");
fprintf(stderr, " -a Audio device to record from (pulse audio device). Can be specified multiple times. Each time this is specified a new audio track is added for the specified audio device. Optional, no audio track is added by default.\n");
fprintf(stderr, " -q Video quality. Should either be 'medium', 'high' or 'ultra'. 'medium' is the recommended as higher values, especially 'ultra' can be placebo most of the time. Optional, set to 'medium' be default.\n");
fprintf(stderr, " -q Video quality. Should either be 'very_high' or 'ultra'. 'very_high' is the recommended, especially when live streaming or when you have a slower harddrive. Optional, set to 'very_high' be default.\n");
fprintf(stderr, " -r Replay buffer size in seconds. If this is set, then only the last seconds as set by this option will be stored"
" and the video will only be saved when the gpu-screen-recorder is closed. This feature is similar to Nvidia's instant replay feature."
" This option has be between 5 and 1200. Note that the replay buffer size will not always be precise, because of keyframes. Optional, disabled by default.\n");
@ -1175,17 +1160,16 @@ int main(int argc, char **argv) {
const char *quality_str = args["-q"].value();
if(!quality_str)
quality_str = "medium";
quality_str = "very_high";
// medium and high exist for backwards compatibility
VideoQuality quality;
if(strcmp(quality_str, "medium") == 0) {
quality = VideoQuality::MEDIUM;
} else if(strcmp(quality_str, "high") == 0) {
quality = VideoQuality::HIGH;
} else if(strcmp(quality_str, "ultra") == 0) {
if(strcmp(quality_str, "medium") == 0 || strcmp(quality_str, "very_high") == 0) {
quality = VideoQuality::VERY_HIGH;
} else if(strcmp(quality_str, "high") == 0 || strcmp(quality_str, "ultra") == 0) {
quality = VideoQuality::ULTRA;
} else {
fprintf(stderr, "Error: -q should either be either 'medium', 'high' or 'ultra', got: '%s'\n", quality_str);
fprintf(stderr, "Error: -q should either be either 'very_high' or 'ultra', got: '%s'\n", quality_str);
usage();
}